Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
03/2003
03/18/2003US6535066 Dynamic RF amplifier bias control for digital wireless communications devices
03/18/2003US6535064 Current-feedback amplifier exhibiting reduced distortion
03/18/2003US6535063 Drive method for a cross-connected class AB output stage with shared base current in pre-driver
03/18/2003US6535062 Low noise, low distortion, complementary IF amplifier
03/18/2003US6535060 System and method for noise and spurious supression in power amplifier systems
03/18/2003US6535058 Multi-reference, high-accuracy switching amplifier
03/18/2003US6535030 Differential comparator with offset correction
03/18/2003CA2324846C System and method for producing an amplified signal
03/18/2003CA2271041C Pulse modulation power amplifier with enhanced cascade control method
03/13/2003WO2003021779A1 Analog demultiplexer
03/13/2003WO2003021775A1 Method and apparatus for impedance matching in an amplifier using lumped and distributed inductance
03/13/2003WO2003021773A1 Ultra-wideband power amplifier module apparatus and method for optical and electronic communications
03/13/2003WO2003021772A1 Ping-pong amplifier with auto-zeroing and chopping
03/13/2003WO2003021771A1 Auto-zeroed ping-pong amplifier with low transient switching
03/13/2003WO2003021770A1 Circuitry for creating a spectral null in a differential output switching amplifier and method therefor
03/13/2003WO2003021769A1 Switching amplification apparatus
03/13/2003WO2003021768A1 Single ended input, differential output amplifier
03/13/2003WO2003021766A2 Switching power supply for rf power amplifiers
03/13/2003WO2003021638A2 High voltage integrated circuit amplifier
03/13/2003WO2003020546A1 Rf-power amplifier
03/13/2003WO2002082639A8 Low noise amplifiers
03/13/2003WO2002056458A3 A fully differential, variable-gain amplifier and a multidimensional amplifier arrangement
03/13/2003WO2001091303A3 Method and apparatus for use in switched capacitor systems
03/13/2003US20030048138 High frequency power amplifier circuit
03/13/2003US20030048136 Apparatus, method and system for common-mode stabilization in circuits having differential operation
03/13/2003US20030048135 High-frequency amplifier
03/13/2003US20030048134 Multistage differential amplifier with CMFB circuit
03/13/2003US20030048133 Wireless communication frequency signal amplification apparatus and transmitting and receiving apparatus
03/13/2003US20030048132 High frequency power amplifier, high frequency power amplifier module, and portable telephone
03/13/2003US20030047667 Photoreceiver assembly for high-powered lasers
03/12/2003EP1292021A2 Radio frequency amplifier and television tuner
03/12/2003EP1292020A1 Amplifier circuit
03/12/2003EP1290787A1 Carrousel handshake
03/12/2003EP1290786A2 Multiple output current mirror with improved accuracy
03/12/2003EP1290785A2 Devices and methods for calibrating amplifier stages and for compensating for errors in amplifier stages of series-connected components
03/12/2003EP0700597B1 Differential audio line receiver
03/12/2003CN2540065Y Photoelectric coupling automatic constant-current offset power amplifier
03/12/2003CN1402905A 非线性信号处理器 Nonlinear Signal Processor
03/12/2003CN1402904A Differential amplifier
03/12/2003CN1402430A Pulse area modulation digital power processing method and device
03/12/2003CN1402425A Differential amplifying circuit and semiconductor integrated circuit for driving liquid crystal display device
03/11/2003US6532127 Differential voltage bias, voltage sense preamplifier architecture
03/11/2003US6531925 Heterojunction bipolar transistor optoelectronic transimpedance amplifier using the first transistor as an optical detector
03/11/2003US6531921 Operational amplifier
03/11/2003US6531920 Differential amplifier circuit
03/11/2003US6531919 Phase inversion prevention circuit for an operational amplifier input stage
03/11/2003US6531918 Low cost, pilotless, feed forward compensation for a power amplifier
03/11/2003US6531892 Bias voltage generator usable with circuit for producing low-voltage differential signals
03/06/2003WO2003019934A1 Adaptive bandwidth control in a kinescope amplifier
03/06/2003WO2003019776A2 Rf amplifier and method therefor
03/06/2003WO2003019774A2 High frequency power amplifier circuit
03/06/2003WO2003019771A1 Power amplifier having a cascode current-mirror self-bias boosting circuit
03/06/2003WO2003019228A1 Maritime radar transponder
03/06/2003WO2002098008A3 Non-linear transistor circuits with thermal stability
03/06/2003WO2002013376A3 Method and circuit for a dual supply amplifier
03/06/2003US20030045256 Stacked modulator and automatic gain control amplifier
03/06/2003US20030045252 Power amplifier
03/06/2003US20030044027 Volume circuit using resistive ladder circuits
03/06/2003US20030043135 Analog demultiplexer
03/06/2003US20030042983 Single ended input, differential output amplifier
03/06/2003US20030042982 Operational amplifier
03/06/2003US20030042981 Low-voltage class-AB output stage amplifier
03/06/2003US20030042977 Radio frequency amplifier and method of driving the same
03/06/2003US20030042976 Circuitry for creating a spectral null in a differential output swiitching amplifier and method therefor
03/06/2003US20030042975 Low power wide bandwidth programmable gain CDS amplifier/instrumentation amplifier
03/06/2003US20030042973 Amplification circuit
03/06/2003US20030042940 Driver circuit
03/06/2003US20030042601 Electronic module and communication module using the same
03/05/2003EP1289137A1 Integrated RC Filter
03/05/2003EP1289131A2 Method and apparatus for controlling the common mode impedance misbalance of an isolated single-ended circuit
03/05/2003EP1289130A1 Amplifier circuit apparatus and method therefor
03/05/2003EP1289126A1 Feedforward amplifier
03/05/2003EP1289124A2 Stacked modulator and automatic gain control amplifier
03/05/2003EP1287611A2 Amplifier circuit
03/05/2003CN1401099A Voltage current transformer
03/05/2003CN1400742A 微波功率放大器 Microwave Power Amplifier
03/05/2003CN1102811C Liquid crystal display driving semiconductor device
03/04/2003US6529715 Amplifier architecture for multi-carrier wide-band communications
03/04/2003US6529564 Data pulse receiver
03/04/2003US6529081 Method of operating a solid state power amplifying device
03/04/2003US6529080 TOI and power compression bias network
03/04/2003US6529079 RF power amplifier with distributed bias circuit
03/04/2003US6529078 Low-distortion transimpedance amplifier structures and methods
03/04/2003US6529076 Fast saturation recovery operational amplifier input stage
03/04/2003US6529075 Amplifier with suppression of harmonics
03/04/2003US6529074 Circuits and methods for output impedance matching in switched mode circuits
03/04/2003US6529073 Active control system and amplifiers including damping loops and power supplies with over-voltage protection pre-regulators
03/04/2003US6529070 Low-voltage, broadband operational amplifier
03/04/2003US6529063 Thermally stable cascode
03/04/2003US6529051 Frequency multiplier without spurious oscillation
03/04/2003US6529048 Dynamic slew-rate booster for CMOS-opamps
03/04/2003US6529043 LVDS current steering input buffer
03/04/2003US6529015 Signal processing apparatus
03/04/2003US6528981 Low-voltage current mirror circuit
03/04/2003US6528777 Optical power meter derived from common-mode voltage of optical transimpedance amplifier
03/04/2003US6528378 Semiconductor device
02/2003
02/27/2003WO2003017493A2 Differential charge pump
02/27/2003WO2003017492A2 Charge pump
02/27/2003WO2003017489A1 Systems and methods for pulse width modulation
02/27/2003WO2003017476A1 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier
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